A primitive root; to hop, i.e. (figuratively) skip over (or spare); by implication, to hesitate; also (literally) to limp, to dance -- halt, become lame, leap, pass over.
Englishman's Concordance
1) to pass over, spring over 1a) (Qal) to pass over 1b) (Piel) to skip, pass over 2) to limp 2a) (Qal) to limp 2b) (Niphal) to be lame 2c) (Piel) to limp Part of Speech: verb A Related Word by BDB/Strong’s Number: a primitive root Same Word by TWOT Number: 1786, 1787
Brown-Driver-Briggs
I. מָּסַחverbpass or spring over; —
QalPerfect3masculine singular ׳פExodus 12:27, ׳וּפ consecutive V:23 (J); 1 singular וּפָסַחְתִּ֫יExodus 12:13 (P), all with עַל, of ׳יpassing over (sparing) houses of Israel; Infinitive absoluteמָּסוֺחַIsaiah 31:5a passing over (SC. עַליְֿרוּשָׁלַםִ).
II. [מָּסַח] verblimp (Thes below I. ׳פ but dubious; Arabic is dislocate; according to Gerber73 II. ׳פ is denominative from מִּסֵּחַ [and this below I. ׳פ?]); —
Niph`alImperfect3masculine singular וַיִּמֹּל וַיִּמָּסֵחַ2 Samuel 4:4and he fell and was made limping (lame).
Pi`elImperfect3masculine plural וַיְפַסְּחוּ עַלהַֿמִּזְבֵּחַ1 Kings 18:26they went limping (along by the altar), i.e. probably in their dance, see Kit PietschmPhön. 220 (Gr ויפסעו [ = וַיִּפְשְׂעוּ] stepped).
Exodus 12:13 HEB:אֶת־ הַדָּ֔ם וּפָסַחְתִּ֖י עֲלֵכֶ֑ם וְלֹֽא־ NAS: the blood I will pass over KJV: the blood, I will pass over you, and the plague INT: see the blood will pass over and no
Exodus 12:23 HEB:שְׁתֵּ֣י הַמְּזוּזֹ֑ת וּפָסַ֤ח יְהוָה֙ עַל־ NAS: the LORD will pass over KJV: the LORD will pass over the door, INT: the two doorposts will pass the LORD over
Exodus 12:27 HEB:לַֽיהוָ֗ה אֲשֶׁ֣ר פָּ֠סַח עַל־ בָּתֵּ֤י NAS: to the LORD who passed over the houses KJV: passover, who passed over the houses INT: to the LORD who passed over the houses
2 Samuel 4:4 HEB:לָנ֛וּס וַיִּפֹּ֥ל וַיִּפָּסֵ֖חַ וּשְׁמ֥וֹ מְפִיבֹֽשֶׁת׃ NAS: he fell and became lame. And his name KJV: that he fell, and became lame. And his name INT: to flee fell and became and his name was Mephibosheth
2 Samuel 5:6 HEB:הֱסִֽירְךָ֗ הַעִוְרִ֤ים וְהַפִּסְחִים֙ לֵאמֹ֔ר לֹֽא־ INT: will turn the blind halt thinking cannot
1 Kings 18:21 HEB:מָתַ֞י אַתֶּ֣ם פֹּסְחִים֮ עַל־ שְׁתֵּ֣י NAS: long [will] you hesitate between KJV: How long halt ye between two INT: How you hesitate between two
1 Kings 18:26 HEB:וְאֵ֣ין עֹנֶ֑ה וַֽיְפַסְּח֔וּ עַל־ הַמִּזְבֵּ֖חַ NAS: answered. And they leaped about KJV: nor any that answered. And they leaped upon the altar INT: was no answered leaped about the altar
Isaiah 31:5 HEB:גָּנ֥וֹן וְהִצִּ֖יל פָּסֹ֥חַ וְהִמְלִֽיט׃ NAS: and deliver [it]; He will pass over and rescue KJV: also he will deliver [it; and] passing over he will preserve INT: will protect and deliver will pass and rescue