From taphach; nursing -- span long.
see HEBREW taphach
Lamentations 2:20 HEB: פִּרְיָם֙ עֹלֲלֵ֣י טִפֻּחִ֔ים אִם־ יֵהָרֵ֛גNAS: The little ones who were born healthy? Should priestKJV: [and] children of a span long? shall the priestINT: their offspring the little who lo be slain